Helpfulness
n. 有益；有助
✅ 同义词
📖 牛津释义
helpfulness
n [U].
🗣️ 情景例句
Robbie, I want you to meet
Robbie，我要你见过
I ought to explain to the manager.
我应该向经理解释。
Fortunately, the shouting woke up my wife who opened the window just as the policeman had started to climb towards me.
幸运得很，这喊声惊醒了我的妻子。就在警察开始向我爬上来时，她打开了窗子。